Frontier definition: A frontier is a line or border separating two countries or areas, often marking the extent of a country's territory.
Definitions of Frontier
- 1noun
A frontier is a line or border separating two countries or areas, often marking the extent of a country's territory.
- 2noun
The frontier can refer to the extreme limit of settled land beyond which lies wilderness, often associated with historical expansion.
- 3noun
A frontier also represents the extreme limit of understanding or achievement in a particular area, opening new possibilities for exploration.
Example Sentences
“The explorers ventured into the unknown frontier.”
“Space exploration is the new frontier of scientific discovery.”
“The two nations agreed to respect their shared frontier.”
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